Magnetic erase head for a tape player

Details Magnetic erase head for a tape player Magnetic erase head for a tape player

1980-05-02

1983-06-07

Faber, Alan

Dynamic magnetic information storage or retrieval

Head

Erase

360119, 360122, 360125, 36013021, G11B 512

Patent

active

043874100

ABSTRACT:
A magnetic erase head for a tape player comprises a head tip portion and a back core portion. The head tip portion consists of a W-shaped tip, which is constructed of a center tip and a pair of side tips connected via spacers to the center tip, and a dummy tip, which is constructed of a tip member and a separator received in a recess made in the tip member. The back core portion consists of a center core equipped with a winding, and an L-shaped core connected to the center core at its rear portion. A recess in the front portion of the L-shaped core receives the front portion of the center core. The L-shaped core has two tapered arms defining the recess. Nonmagnetic blocks may be provided for reinforcing the arms. The dummy tip may be made of a nonmagnetic material if desired. With this arrangement a magnetic erase head having a narrow tip and a high erasure ratio is provided.

REFERENCES:
patent: 2784259 (1957-03-01), Camras
patent: 2950355 (1960-08-01), Moehring
patent: 3812536 (1974-05-01), Linke
patent: 3882544 (1975-05-01), Hughes
patent: 3949422 (1976-04-01), Sato
patent: 4264938 (1981-04-01), Takanohashi
patent: 4264939 (1981-04-01), Takii

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